return null;
        })).status(Status.OK).result());
    }

    // PUT /api/admin/searchlist/doc
    @Execute
    public JsonResponse<ApiResult> put$doc(final CreateBody body) {
        validateApi(body, messages -> {});
        if (body.doc == null) {
            throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, "doc is required"));
        }

          Class<E> enumClass, Policy policy) {
    return new CycleDetectingLockFactory.WithExplicitOrdering<E>(
        policy, CycleDetectingLockFactory.createNodes(enumClass));
  }

  public void testDeadlock_twoLocks() {
    // Establish an acquisition order of lockA -> lockB.
    lockA.lock();
    lockB.lock();
    lockA.unlock();
    lockB.unlock();

          Class<E> enumClass, Policy policy) {
    return new CycleDetectingLockFactory.WithExplicitOrdering<E>(
        policy, CycleDetectingLockFactory.createNodes(enumClass));
  }

  public void testDeadlock_twoLocks() {
    // Establish an acquisition order of lockA -> lockB.
    lockA.lock();
    lockB.lock();
    lockA.unlock();
    lockB.unlock();